Mechanical casing for a USB or firewire port data storage device



FIG. 1 is a front perspective view of the mechanical casing for a USB or firewire port data storage device of the present invention.

FIG. 2 is a bottom end view thereof;

FIG. 3 is a top end view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view, the right side elevational view being a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of a stand in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a mechanical casing for a USB or firewire port data storage device, as shown and described. 